Online Dew Point Calculator computes the dewpoint or frostpoint temperature at a given ambient temperature and given ambient relative humidity.

Double-Slit Diffraction Online Calculator

Rigorously computed dynamical systems. Numerical simulation is never without error. Good rigorous simulations give a good estimate of this error, but never underestimate it.

An Online Zonotope Builder and Viewer. This interesting class of convex bodies have many surprising properties and applications.

Some of my Manuscripts.